Stock photography, photos: Saqqara - Woman Irrigating Field Stock photos of An Egyptian woman turns an Archimedes screw, an ancient device used to transfer water from a canal to an adjacent field. The Nile Valley canal system. Memphis, Egypt. Photograph: © Robert Burch Click for a larger image and more information Keywords associated with this stock photo: africa, egypt, middle east, memphis, nile, valley, irrigation, archimedes screw, fields, agriculture, canal, saqqara, sakkara, cairo